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Influence of functional and esthetic expectations on orthodontic pain

Einfluss von funktionellen und ästhetischen Erwartungen auf Schmerzen bei der kieferorthopädischen Behandlung

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Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie Aims and scope Submit manuscript

Abstract

Objectives

To investigate the effect of orthodontic treatment outcome (OTO) expectations on the level of pain intensity experienced after orthodontic elastomeric separation (OES).

Materials and methods

A total of 100 orthodontic patients (74 female and 26 male, age 14 years and above) from the Faculty of Dentistry, Mahidol University were enrolled. Before OES, questionnaires were administered to obtain patients’ expectations regarding various aspects of OTO as well as OES pain expectations. Real-time self-reported pain intensity from OES at the maxillary and mandibular first permanent molars was obtained before and immediately after separator placement and at 6 h, 24 h, and then every day until day 7 after OES. Data were analyzed for the relationship between OTO expectations and OES pain intensity. The level of significance was set at 0.05.

Results

The maximum OES pain intensity occurred on day 2 after OES and gradually decreased to the pretreatment level on day 7. The degree of facial, tooth alignment, masticatory function improvement expectations, and a high level of OES pain expectations were significantly associated with the severity of OES pain after separator placement.

Conclusion

Esthetic and functional expectations of OTO were significantly associated with OES pain intensity. Thus, knowledge about esthetic and functional expectations may help to predict patient’s pain response to orthodontic treatment.

Zusammenfassung

Zielsetzung

Untersucht werden sollte der Einfluss der Erwartungen an das Ergebnis der kieferorthopädischen Behandlung (OTO) auf die Schmerzintensität nach einer kieferorthopädischen Elastomer-Separation (OES).

Materialien und Methoden

Insgesamt wurden 100 kieferorthopädische Patienten (74 weibliche, 26 männliche, Alter 14 Jahre und älter) der zahnmedizinischen Fakultät der Mahidol-Universität in die Studie aufgenommen. Vor der OES wurden Fragebögen ausgegeben, um die Erwartungen der Patienten in Bezug auf verschiedene Aspekte der OTO sowie die Schmerzerwartungen der OES zu ermitteln. Die von den Patienten selbst angegebene Schmerzintensität bei OES an den ersten permanenten Ober- und Unterkiefermolaren wurde vor und unmittelbar nach dem Einsetzen des Separators sowie nach 6 und 24 Stunden und anschließend jeden Tag bis zum 7. Tag nach OES erhoben. Die Daten wurden im Hinblick auf den Zusammenhang zwischen den OTO-Erwartungen und der Schmerzintensität der OES analysiert. Das Signifikanzniveau wurde auf 0,05 festgelegt.

Ergebnisse

Die maximale OES-Schmerzintensität trat am Tag 2 nach der OES auf und ging am Tag 7 allmählich auf das Niveau vor der Behandlung zurück. Der Grad der Erwartung einer Verbesserung der Gesichts‑, Zahnstellungs- und Kaufunktion sowie eine hohe Erwartung an OES-Schmerzen waren signifikant mit der Stärke der OES-Schmerzen nach dem Einsetzen des Separators verbunden.

Schlussfolgerung

Ästhetische und funktionelle Erwartungen an die OTO waren signifikant mit der Schmerzintensität der OES verbunden. Somit kann das Wissen über ästhetische und funktionelle Erwartungen dazu beitragen, die Schmerzreaktion des Patienten auf eine kieferorthopädische Behandlung vorherzusagen.

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Acknowledgements

The authors would like to thank all participants from Orthodontic Clinic, Faculty of Dentistry, Mahidol University who voluntarily participated in this study.

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Authors and Affiliations

  1. Residency Training Program in Orthodontics, Department of Orthodontics, Faculty of Dentistry, Mahidol University, 6 Yothi Road, Phayathai, Ratchathewi District, 10400, Bangkok, Thailand

    Sawita Supakomonnun

  2. Department of Masticatory Science, Faculty of Dentistry, Mahidol University, 6 Yothi Road, Phayathai, Ratchathewi District, 10400, Bangkok, Thailand

    Somsak Mitrirattanakul

  3. Department of Orthodontics, Faculty of Dentistry, Mahidol University, 6 Yothi Road, Phayathai, Ratchathewi District, 10400, Bangkok, Thailand

    Rochaya Chintavalakorn & Nuntinee Nanthavanich Saengfai

Authors
  1. Sawita Supakomonnun
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  2. Somsak Mitrirattanakul
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  3. Rochaya Chintavalakorn
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  4. Nuntinee Nanthavanich Saengfai
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Contributions

Sawita Supakomonnun: Methodology, formal analysis, writing—original draft, project administration; Somsak Mitrirattanakul: Conceptualization, methodology, writing—review and editing; Rochaya Chintavalakorn: Methodology, writing—review; Nuntinee Nanthavanich Saengfai: Conceptualization, methodology, supervision, writing—review and editing

Corresponding author

Correspondence to Nuntinee Nanthavanich Saengfai.

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Conflict of interest

S. Supakomonnun, S. Mitrirattanakul, R. Chintavalakorn and N. Saengfai declare that they have no competing interests.

Ethical standards

This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of the Faculty of Dentistry/Faculty of Pharmacy, Mahidol University (COA.No.MU-DT/PY-IRB 2018/041.01xx). Written informed consent with confidentiality was obtained from all individual voluntary participants.

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Supakomonnun, S., Mitrirattanakul, S., Chintavalakorn, R. et al. Influence of functional and esthetic expectations on orthodontic pain. J Orofac Orthop 84, 141–146 (2023). https://doi.org/10.1007/s00056-021-00355-6

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  • DOI: https://doi.org/10.1007/s00056-021-00355-6

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